<!DOCTYPE html>
<html lang="zh-CN">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>按钮</title>
  <link rel="stylesheet" href="./btn-color.min.css">
</head>

<body>
  <button class="btn default">按钮</button>
  <button class="btn primary">按钮</button>
  <button class="btn success">按钮</button>
  <button class="btn warning">按钮</button>
  <button class="btn warning" disabled>按钮</button>
  <button class="btn danger">按钮</button>
</body>

</html>